病历摘要：女性16岁以癫痫、智力低下就诊查体：鼻、颊部可见蝶翼状分布的棕色痣<img src="/Image1/78/78051fb9a2483e40b3428be0471aaad1.jpg" /><img src="/Image1/4b/4b1970f662fa09bbec508c4a1959583e.jpg" /><img src="/Image1/11/119cd8fd61ed09d2c4c6358d7d5543a2.jpg" /><img src="/Image1/06/06249bc5573a1a3b64a4d6e14b0c950f.jpg" /> 2.诊断依据是什么？